Tag: WiFi

Motorola NVG589 VDSL2 Gateway

ATT Internet users in Bay area use Motorola  ARRIS NVG589 Gateway. The device can also used for VOIP. My parents in law have this device since last month. The Admin interface is http://192.168.1.254 Access code is printed on the device label.   I found three guides online. Saved here for future referenc. Motorola NVG589 VDSL2

Wifi Standard 802.11ac

802.11ac is main stream as well as 802.11n. Because 802.11n has better distance and more power to pass-through wall. But 802.11ac is much fast than 802.11n. 802.11ac Technology Overview: 11n Specification: 2.4 and 5Ghz  Supported Wider channels 40MHz Better modulation 64QAM Additional streams up to 4 streams Beam forming Backwards compatibility, with 11a/b/g 11ac introduces:

7 Tips to Wi-Fi Performance Optimization

The seven must-know tips for your Wireless Wi-Fi network Performance Optimization. 1. Placements of Devices Radio signal travels through air to its destination. The radio signal will be reflected, refracted or absorbed if there is something on the way. So, Keep the wireless router away from blockage, especially metal and bricks. 2. Antennas Positioning Antennas

AE2500 vs DWA-525 vs WUA 1340

Three network card or USB adapter. The oldest one is WUA1340, I got five years ago. DWA-525 just weeks ago. The LinksysAE2500 I got this week. WUA1340 is G only. DWA-525 and AE2500 support 802.11n network. Based on the theory, DWA-525 is 3 times faster than WUA1340, AE2500 is 2 times faster than DWA525. But,

How to choose the right router

To choose the router or upgrade your home network, first you should know what standard you need. There are three main standards on market now. Standard Max Speed 802.11g 54Mbps 802.11n 600Mbps 802.11ac 1.3Gbps 802.11g was introduced many years ago, I wrote a post eight years ago related the wireless network. 802.11ac is still a

Update Kobo Mini firmware

The old firmware on this Kobo Mini is 2.1.5. Today I did an update, it is 2.4.0 now. Here is the guide to make update. 1) Make sure you’re within range of an available Wi Fi network, and that your eReader’s battery is fully charged. You must stay within range of this network while your

Disable your WiFi WPS, security vulnerability found

It is a big news yesterday. WiFi WPS security vulnerability found, major router makers affected Wi-Fi Protected Setup (WPS; originally Wi-Fi Simple Config) is a computing standard that attempts to allow easy establishment of a secure wireless home network, but has been shown to easily fall to brute-force attacks. vi wiki The router affected including: